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Blowoff, yes or no?


BlindspottNZ
04-05-2002, 08:09 PM
Blowoff, yes or no?

YellowMaranello
08-09-2002, 08:38 PM
Most def. It makes your car more reliable AND makes a cool noise.:smoker:

mitch9465
09-01-2002, 10:18 PM
blow off with the cone shaped thing to amplify the koolness noise...
:evillaugh

Spec2 Girl
09-01-2002, 10:22 PM
If you’ve got a turbo car then most definitely! :D

djAkira36
09-06-2002, 09:11 AM
YES!!!!!! Screw the sound, your turbo will thank you, lol....

Midnight Racer
10-15-2002, 05:45 PM
Hell yeah.Thats the first thing I did when I got my 300ZX TT.:D

NaWSSs
10-20-2002, 09:12 AM
how about those fake BOV horns made for civics? do those count?

turbo2nr
02-20-2003, 08:08 AM
how about those fake BOV horns made for civics? do those count?

no not really that is just pure ricey-ness!

but hell's yea get a b.o.v.
i would go with the hks bov!!

good luck

1

JWatson
02-21-2003, 09:13 PM
What a stupid question:rolleyes:

Turbo cars need a BOV

Jeff

88sedan_civic
02-22-2003, 01:47 PM
the sound is nice..yes get a bov

T-88
03-04-2003, 02:21 AM
It don't matter what one u get, they all sound great :)

have fun
T-88

Import Guy
08-06-2003, 12:46 AM
its not the sound that matters, thats just a bonus. bov's are made so when you let off the gas, preasure between the turbo and intake malifold
does not try to go the opposite way, making your turbo spin the revese way and causing turbo damage or failure.

KFGroup Speed
08-12-2003, 03:54 AM
I agree and disagree..

If you are running a street application run a BOV. Yes your turbo will thank you for it.

If you are running a Drag only application, then forget the BOV. Most BOV vent too much of the charged air out of the charge pipe and intercooler, thus taking longer for the boost to come back, especially between shifts. We are talking about 25psi and up here...

Yes, surge pressures will cause damage to the turbo after prolong abuse, but drag cars are usually breaking something and thereby requiring rebuilding more often...long before the turbo will actually pack it in from compressor surges.

If every 100th of a sec counts..between winning and loosing, you must try every option.

flashchase
09-18-2003, 11:51 PM
get one, they sound good, and the ladies love them

AW88
10-10-2003, 07:56 AM
The blow off valve is just one of the many reasons my girl friend has dreams of driving in the Supra Spanking other high performance cars. ( The car is off the road for a while)
All :boink: an

wunmagikalpinoy
10-28-2003, 06:25 PM
yepp bov for shure. with out a bov and you got a turbo your going to get a lot of turbo lag. you can get one that is not that loud if you want to be a sleeper but i say you go for it.

Guyanson_Mendiola
11-17-2003, 11:47 PM
blow off valves do have a really nice sound when you have a turbo kit installed also. :iceslolan

red89supra
11-20-2003, 08:27 PM
I agree with KFGroupSpeed. I say yes if its a turbo and no if its a nonturbo.

wunmagikalpinoy
11-21-2003, 05:17 PM
I agree with KFGroupSpeed. I say yes if its a turbo and no if its a nonturbo.

you cant put a blow off valve on a non turbo

98ttsupra
11-25-2003, 08:43 PM
Tomorrow the 26th of november my sup dawg will be BPU+ BOV i got the hks ssqv bov its sounds hot... my friends got the HKS type 2 with the flutter sound its also cool alrigh tlata guys

Z_animal
02-06-2004, 07:03 PM
ummm yes, turbo=blow off valve, you need a bov or a recirc valve if you have a turbo period.

datsunadict
02-10-2004, 02:17 AM
Z animal

Turbo does not equal BOV. A BOV is not standard equipment on the vast majority of turbo cars. Also, I would avoid posting on topics that are over a month old. especially if they have already been settled.

YuLaw
02-20-2004, 05:31 PM
A BOV essentially releases built pressure straight out into the atmosphere. The problem youll encounter with BOV's is that the mass air flow sensor will cause the engine management system to "think" that the air will go into the engine and in turn will release an appropriate amount of fuel for it. However, a BOV system will vent this air out before it gets to the injectors causing your mixture to run lean. In turn, this will result in unburned fuel to escape into the exhaust system. This is why you often see flames and hear those "pop's" in rally cars. It is unburned fuel exploding in the exhaust system. Doesn't take a genius to figure out that this is not the smartest application for the day to day car. For this reason, reasonable tuners will usually employ a bypass or a diverter valve. These units essentially redirect this pressure back behind the compressor causing the net flow of air to remain constant. This in turn slows the turbine down gradually and allows the air flow sensor to work appropriately. so if you drive your car daily, dont get the damn thing! get a diverter or bypass valve. and if youre really set on getting a bov, ask your local import tuner.

projectsupramk3
02-20-2004, 06:20 PM
Ehh not quite, stock BOV's are actually bypass valves that redirect the released pressure before the turbo after the AFM/MAF. The problem with AFM equiped, atmosphere vented BOV's is like you said, the air is released into thin air and the engine runs lean, most AFC's can compensate for this no problem but most all stock ECU's cannot. A MAP sensor equiped engine will have no problem with atmosphere vented BOV's since the MAP sensor can be put after the BOV, therefor not measuring the released air. The popping rally car comment is actually intentional, sort of an anti-lag system, by diverting some of the combustion process into the exhaust manifold while the engine is not under load the turbo can be kept on boost/spooled. This is very hard on the manifolds and turbos alike but since they have the budget to replace/fix them it's not a problem. Some of you guys are just awesome, getting a BOV for the sound and not the function, getting it for the look and not even knowing how it works, I bet some of you here would try and put one on your n/a honda :rolleyes: Seriously "datsunadict", I don't understand why old posts are constantly being reserected from the dead. :rofl:

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